React Health Numa replacement cushion — the silicone seal of your Numa Full Face mask
This is the cushion only: the silicone part of the Numa Full Face mask that touches your face and seals around your nose and mouth. One cushion per box, in Small (NU3001), Medium (NU3002) or Large (NU3003). The frame, elbow and headgear aren’t included — you keep the ones you have.
Authorized React Health · no prescription needed for masks or replacement parts · free U.S. shipping over $99.
Why replace just the cushion
On a full face mask, the cushion is what seals around your nose and mouth. The manual says to replace any part that shows visible deterioration — cracks, even hairline ones, or tears — and this lets you do it without buying a whole new mask.
The cushion fits into the slot on the lower half of the Numa frame. Fit it in and check that it’s properly seated before you put the mask on.
Silicone, made for the Numa Full Face (manufacturer model BMC-FM2), and labeled as not made with natural rubber latex.
Same size chart as the mask
Order the size your Numa already uses. Don’t know it? Measure distance H.
Usually, reorder the size you have. If you don’t know it, measure the distance the manual labels H — as we read its sizing drawing, from the level of your closed eyes down to just below your lower lip. Small is 3.15 to 3.54 in (8.0–9.0 cm), Medium is over 3.54 up to 3.94 in (9.0–10.0 cm), and Large is over 3.94 up to 4.53 in (10.0–11.5 cm); the manual gives inches, and the centimeters are our conversion. Thinking of switching sizes? Call us first.
Two checks before you order
Fit and size — confirm both and you’re set.
A cushion that’s cracked, torn or deformed can’t seal the way it did when it was new — and tightening the headgear to make up for it only makes leaks worse. The manual gives no fixed replacement schedule for the cushion: replace it when it shows visible deterioration.
Will it fit my machine?
Numa Full Face mask only.
React Health makes this cushion for the Numa Full Face mask only — it isn’t for other React Health masks or other brands. If your mask’s box or label says Numa II, call us before you order: that’s a separate product, and we can’t confirm this cushion fits it. Once it’s on your Numa, the mask connects to CPAP or bilevel machines through its standard 22 mm elbow, including the Luna G3 auto CPAP and the Luna G3 25A BPAP we carry.
Details
What’s included
- 1 Numa replacement cushion (silicone) in the size you choose: Small (NU3001), Medium (NU3002) or Large (NU3003)
- Not included: mask frame, elbow or headgear (the frame in the photos only shows where the cushion fits)
Need the rest? The complete Numa Full Face mask comes with frame, cushion and headgear, and the Numa replacement headgear is sold on its own.
Authorized React Health — and no prescription needed
American Oxygen is an authorized React Health dealer. This is a genuine React Health replacement part. Masks, cushions, headgear and tubing don’t require a prescription in the U.S. — only the CPAP or BiPAP machine does. A copy cushion may not seal like the original, and on a mask, sealing is the entire job.
Full specifications
| Type | Replacement cushion (seal) for a full face CPAP mask |
| SKU | NUMA-C · sizes NU3001 (S), NU3002 (M), NU3003 (L) |
| Fits | React Health Numa Full Face mask only (model BMC-FM2) |
| In the box | 1 cushion |
| Material | Silicone |
| Latex | Labeled not made with natural rubber latex |
| Sizes | S: 3.15–3.54 in (8.0–9.0 cm) · M: over 3.54 up to 3.94 in (9.0–10.0 cm) · L: over 3.94 up to 4.53 in (10.0–11.5 cm), measured at distance H |
| Installation | Fits into the slot on the lower half of the mask frame |
| Care | Hand wash daily, same method as the mask |
| When to replace | When it shows visible deterioration; the manual gives no fixed interval |
| Made by | BMC Medical, for React Health (formerly 3B Medical) |
| Best for | Numa Full Face users replacing a worn cushion |
| Brand | React Health (authorized dealer) |
| Prescription | Not required for masks or replacement parts |
In short: The React Health Numa replacement cushion is the silicone seal of the Numa Full Face CPAP mask, sold as one cushion without frame, elbow or headgear, in Small (NU3001), Medium (NU3002) and Large (NU3003). It fits the Numa Full Face mask only and is sized with the same face-measurement chart as the mask. The manual gives no fixed replacement interval for the cushion: replace it when it shows visible deterioration such as cracks or tears. The mask’s expected service life is one year.
Frequently asked questions
Do I need a prescription for this cushion?
Which size do I order?
How do I put it on?
How often should I replace it?
How do I clean it?
What’s in the box?
Will it work with my CPAP?
It leaks. What do I do first?
Not sure which size you have? Ask us.
Tell us which Numa you use and how the cushion fits now — we’ll help you confirm the size before you order.

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